Senior DevOps Engineer

Description

Summary: Seeking a Senior DevOps Engineer to administer and manage diverse DevOps tools, design and implement CI/CD pipelines, and ensure robust server administration for Qatar operations. Highlights: 1. Administer and manage GitLab server including upgrades and user management. 2. Design and implement CI/CD pipelines using Jenkins and GitLab CI/CD. 3. Proficiency in network fundamentals and server administration skills. **Job Description** **We are** currently looking **Senior DevOps Engineer** forour **Qatar** operations. **Server Administration Skills** * Solid experience with Linux server administration (RHEL, CentOS, Ubuntu) including shell scripting (Bash), package management, and service configuration (systemd). * Windows Server administration experience including IIS, Active Directory integration, and PowerShell scripting. * Proficiency in network fundamentals: DNS, TCP/IP, SSL/TLS certificate management, firewall rules, and reverse proxy configuration (Nginx, Apache, HAProxy). * Experience with virtualization and containerization: Docker, Kubernetes, VMware, or equivalent platforms. * Expertise in backup and disaster recovery strategies for hosted DevOps tools and databases. * Hands\-on experience with monitoring solutions such as Prometheus, Grafana, Nagios, Zabbix, or equivalent. **Key Responsibilities** * Administer and manage GitLab server including installation, upgrades, user management, access controls, and repository governance. * Design, implement, and maintain CI/CD pipelines using Jenkins and GitLab CI/CD to support automated build, test, and deployment workflows. * Configure and maintain Jenkins master/agent architectures; create and manage pipelines (Declarative and Scripted), plugins, and integrations. * Install, configure, and administer Nexus Repository Manager for artifact storage, proxy, and distribution of Maven, npm, Docker, and other artifact formats. * Manage Jira on\-premises and Jira Cloud instances including installation, configuration, user permissions, workflows, schemes, and integrations with development tools. * Set up and maintain SonarQube for static code analysis, quality gates, and integration with CI/CD pipelines to enforce code quality standards. * Configure and manage Azure DevOps services including Boards, Repos, Pipelines, Artifacts, and Test Plans for end\-to\-end delivery management. * Deploy and maintain Elasticsearch clusters including configuration tuning, index management, monitoring, and performance optimization. * Perform server administration tasks including OS hardening, patch management, service monitoring, and troubleshooting on Linux/Windows environments. * Implement and maintain infrastructure\-as\-code (IaC) practices using tools such as Terraform, Ansible, or similar frameworks. * Collaborate with development teams to define DevOps best practices and drive continuous improvement of delivery pipelines. * Monitor system health, availability, and performance; set up alerting and incident response procedures. * Document configurations, runbooks, and operational procedures for all managed platforms. * Ensure all platforms comply with organizational security standards and audit requirements. **Required Skills \& Experience** **Tool / Platform\- Required Expertise** * **GitLab :** Server installation \& upgrades; CI/CD pipeline authoring (.gitlab\-ci.yml); runner configuration; branch protection; merge request workflows; SAML/SSO integration; GitLab Container Registry management. * **Jenkins:** Master \& distributed agent setup; Declarative \& Scripted pipeline development; plugin management (pipeline, credentials, SonarQube, Nexus, Git); Blue Ocean; folder \& view organization; shared libraries. * **Nexus Repository** : Installation \& configuration of Nexus OSS/Pro; hosted, proxy, and group repository setup; Maven, npm, PyPI, Docker, and Helm chart repositories; cleanup policies; LDAP integration; blob store management. * **Jira (On\-Prem \& Cloud)** : Installation and migration of Jira Data Center; project and issue type configuration; workflow design; custom fields and screens; permission schemes; Jira Cloud administration; REST API integrations; JSM (Service Management) setup. * **SonarQube** : Community/Developer/Enterprise edition setup; quality profile and quality gate configuration; CI/CD plugin integration; code coverage reporting; branch analysis; security hotspot management. * **Azure DevOps** : Organization and project setup; Repos, Pipelines (YAML\-based), Artifacts feed configuration; sprint boards; service connections; agent pool management; role\-based access control (RBAC). * **Elasticsearch** : Cluster installation and configuration (single\-node and multi\-node); index lifecycle management (ILM); shard allocation; snapshot \& restore; Kibana integration; security (TLS, role\-based access); performance tuning and monitoring. **Joining time frame:** 2 weeks (maximum 1 month)